2101100210 has 64 divisors (see below), whose sum is σ = 4393595520. Its totient is φ = 714961920.

The previous prime is 2101100203. The next prime is 2101100213. The reversal of 2101100210 is 120011012.

It is not an unprimeable number, because it can be changed into a prime (2101100213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331592 + ... + 337868.

It is an arithmetic number, because the mean of its divisors is an integer number (68649930).

Almost surely, 2^2101100210 is an apocalyptic number.

2101100210 is an abundant number, since it is smaller than the sum of its proper divisors (2292495310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101100210 is a wasteful number, since it uses less digits than its factorization.

2101100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6491.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 2101100210 is about 45837.7596529324. The cubic root of 2101100210 is about 1280.8027618174.

Adding to 2101100210 its reverse (120011012), we get a palindrome (2221111222).

It can be divided in two parts, 21011002 and 10, that added together give a palindrome (21011012).

The spelling of 2101100210 in words is "two billion, one hundred one million, one hundred thousand, two hundred ten".